Because all day-all night lenses are worn for longer periods at a time, your optometrist will schedule routine aftercare appointments more frequently than ordinary soft lenses. It is essential to keep these appointments. You can expect to be asked to return after one week, three months and six months after your contact lenses have been fitted, and every six months thereafter.The contact lens optometrist may also want to check your lenses after the first night and the first month of wear.